Biochemical Test of Gram-Negative Bacteria: Introduction, Common Tests, List of Organisms, Keynotes, and Some Related Footages

Biochemical Test of Gram-Negative Bacteria: Introduction, Common Tests, List of Organisms, Keynotes, and Some Related Footages

Introduction of Biochemical Test of Gram-Negative Bacteria Gram-negative bacteria are the most common etiological agents which are responsible for bacterial infections as well as viral co-infections. Clinical Microbiology Laboratory generally becomes busy due to those isolates. The need for ‘Biochemical Test of Gram-Negative Bacteria’ is …

Read more

E. coli: Introduction, Identification Features, Keynotes, and Escherichia coli Footages

Biochemical reactions of E. coli in TSI, SIM, urea and citrate agar

Introduction of E. coli Escherichia coli is a member of the family, Enterobacteriaceae and it is a Gram-negative, aerobe, and facultative anaerobic, rod-shaped bacterium. The optimal temperature for growth is 36-37°C with most strains growing over the range 18-44 °C. It is a commensal that is found …

Read more

Gram Stain: Introduction, Principle, Test Requirements, Procedure, Result and Interpretation, Keynotes and Collection of Some Gram Stained Footages

Gram Stain: Introduction, Principle, Test Requirements, Procedure, Result and Interpretation, Keynotes and Collection of Some Gram Stained Footages

Introduction of Gram Stain Gram stain is the most commonly used routine stain in microbiology for the identification of microbes and also to know the evidence of etiological agents in clinical specimens. Gram staining is a differential stain and thus it applies to differentiate Gram-positive …

Read more